Molecular formula

C₂₁H₂₀N₄O₂S₂

52 compounds have this formula on CompoundList.

Molar mass: 424.54g/mol
Monoisotopic mass: 424.1028Da
Atoms: 49
Elements: 5
Rings plus double bonds: 14

The formula C21H20N4O2S2 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms, 2 oxygen atoms and 2 sulfur atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.

Elemental composition

C Carbon × 2159.41%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 204.75%
1.008 × 20 = 20.160 g/mol
N Nitrogen × 413.20%
14.007 × 4 = 56.028 g/mol
O Oxygen × 27.54%
15.999 × 2 = 31.998 g/mol
S Sulfur × 215.10%
32.06 × 2 = 64.120 g/mol

Look up another formula

Compounds with the formula C21H20N4O2S2

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 52 of 52 compounds

N-[5-[2-(3,4-Dihydro-2H-quinolin-1-yl)-2-oxoethyl]sulfanyl-1,3,4-thiadiazol-2-yl]-4-methylbenzamide

CAS 392300-13-9C₂₁H₂₀N₄O₂S₂

Benzo[d]thiazol-6-yl(4-(4-ethoxybenzo[d]thiazol-2-yl)piperazin-1-yl)methanone

CAS 897478-84-1C₂₁H₂₀N₄O₂S₂

2-{4-[(4-Amino-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-2-yl)sulfanyl]butyl}-1H-isoindole-1,3(2H)-dione

CAS 352657-80-8C₂₁H₂₀N₄O₂S₂

2-((1-(4-Ethoxyphenyl)-1H-imidazol-2-yl)thio)-N-(6-methylbenzo[d]thiazol-2-yl)acetamide

CAS 688336-45-0C₂₁H₂₀N₄O₂S₂

N-(4-(3-((2-(1H-Indol-3-yl)ethyl)amino)-3-oxopropyl)thiazol-2-yl)thiophene-2-carboxamide

CAS 1021266-19-2C₂₁H₂₀N₄O₂S₂

SirReal1-O-propargyl

CAS 1862237-99-7C₂₁H₂₀N₄O₂S₂

N-(4-Ethoxyphenyl)-3-((5-phenylthiazolo[2,3-c][1,2,4]triazol-3-yl)thio)propanamide

CAS 671199-78-3C₂₁H₂₀N₄O₂S₂

N-(Benzo[d]thiazol-2-yl)-2-((5-(hydroxymethyl)-1-(4-methylbenzyl)-1H-imidazol-2-yl)thio)acetamide

CAS 899955-75-0C₂₁H₂₀N₄O₂S₂

N-(1-(4-(4-Ethoxyphenyl)thiazol-2-yl)-3-methyl-1H-pyrazol-5-yl)-2-(thiophen-2-yl)acetamide

CAS 1019095-75-0C₂₁H₂₀N₄O₂S₂

3-Isopropyl-2-(((3-(4-(methylthio)phenyl)-1,2,4-oxadiazol-5-yl)methyl)thio)quinazolin-4(3H)-one

CAS 946328-77-4C₂₁H₂₀N₄O₂S₂

N-(5-((2-((2,5-Dimethylphenyl)amino)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)cinnamamide

CAS 392294-92-7C₂₁H₂₀N₄O₂S₂

2-(4-Ethoxyphenyl)-N-(3-methyl-1-(4-(thiophen-2-yl)thiazol-2-yl)-1H-pyrazol-5-yl)acetamide

CAS 1171363-39-5C₂₁H₂₀N₄O₂S₂

6-[(Carbamoylmethyl)sulfanyl]-5-cyano-2-methyl-N-(2-methylphenyl)-4-(thiophen-2-yl)-1,4-dihydropyridine-3-carboxamide

CAS 277756-55-5C₂₁H₂₀N₄O₂S₂

2,4-Dimethyl-N-(3-((thiophen-2-ylmethyl)amino)quinoxalin-2-yl)benzenesulfonamide

CAS 714234-39-6C₂₁H₂₀N₄O₂S₂

N,N'-Bis(1,3-benzothiazol-2-yl)-3-methylhexanediamide

CAS 5193-48-6C₂₁H₂₀N₄O₂S₂

N-(5-((2-(3,4-Dihydroquinolin-1(2H)-yl)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)-2-phenylacetamide

CAS 392300-04-8C₂₁H₂₀N₄O₂S₂

N-Isobutyl-2-((5-(2-(thiophen-2-yl)quinolin-4-yl)-1,3,4-oxadiazol-2-yl)thio)acetamide

CAS 867300-85-4C₂₁H₂₀N₄O₂S₂

N-(3,5-Dimethylphenyl)-2-[[4-(furan-2-ylmethyl)-5-thiophen-2-yl-1,2,4-triazol-3-yl]sulfanyl]acetamide

CAS 578698-41-6C₂₁H₂₀N₄O₂S₂

$4-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-5-sulfanyl-8-thia-4,6-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),5-trien-3-one chemical structure, C21H20N4O2S2, CAS 380342-22-3$

4-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-5-sulfanyl-8-thia-4,6-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),5-trien-3-one

CAS 380342-22-3C₂₁H₂₀N₄O₂S₂

(E)-N-[5-[2-(4-Ethylanilino)-2-oxoethyl]sulfanyl-1,3,4-thiadiazol-2-yl]-3-phenylprop-2-enamide

CAS 532409-92-0C₂₁H₂₀N₄O₂S₂

N-(5-{[2-(2,3-Dihydro-1H-indol-1-yl)-2-oxoethyl]sulfanyl}-1,3,4-thiadiazol-2-yl)-3-phenylpropanamide

CAS 477211-90-8C₂₁H₂₀N₄O₂S₂

N-(5-(2-Phenylthiazole-4-carbonyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)cyclobutanecarboxamide

CAS 1428352-04-8C₂₁H₂₀N₄O₂S₂

N-(5-Benzylsulfanyl-1,3,4-thiadiazol-2-yl)-1-(4-methylphenyl)-5-oxopyrrolidine-3-carboxamide

CAS 833428-35-6C₂₁H₂₀N₄O₂S₂

Benzo[d]thiazol-6-yl(4-(4-methoxy-7-methylbenzo[d]thiazol-2-yl)piperazin-1-yl)methanone

CAS 897487-32-0C₂₁H₂₀N₄O₂S₂

Frequently asked questions

Still have a question?

The help centre explains buying, quotes and supplier badges step by step, or you can write to our team.

Help centre Contact us

What is the molar mass of C21H20N4O2S2?

The molar mass of C21H20N4O2S2 is 424.54 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms, 2 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 424.1028 Da.

How many compounds have the formula C21H20N4O2S2?

CompoundList lists 52 compounds with the molecular formula C21H20N4O2S2, including N-[5-[2-(3,4-Dihydro-2H-quinolin-1-yl)-2-oxoethyl]sulfanyl-1,3,4-thiadiazol-2-yl]-4-methylbenzamide, Benzo[d]thiazol-6-yl(4-(4-ethoxybenzo[d]thiazol-2-yl)piperazin-1-yl)methanone, 2-{4-[(4-Amino-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-2-yl)sulfanyl]butyl}-1H-isoindole-1,3(2H)-dione. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.

What is the degree of unsaturation of C21H20N4O2S2?

C21H20N4O2S2 has a degree of unsaturation of 14. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.